ESET_Apt_Windows_Invisimole

private rule ESET_Invisimole_Blob_PRIVATE
{
	meta:
		description = "Detects InvisiMole blobs by magic values"
		author = "ESET Research"
		id = "6a179d91-50f1-5400-b141-0f162efd2431"
		date = "2021-05-17"
		modified = "2021-05-17"
		reference = "https://github.com/eset/malware-ioc/"
		source_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/invisimole/invisimole.yar#L34-L52"
		license_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/LICENSE"
		logic_hash = "8bddaf874da58fbe6362498f8979b511f39531fe2b98d4be8c099bdafb6d0067"
		score = 75
		quality = 80
		tags = ""
		license = "BSD 2-Clause"
		version = "1"

	strings:
		$magic_old_32 = {F9 FF D0 DE}
		$magic_old_64 = {64 FF D0 DE}
		$magic_new_32 = {86 DA 11 CE}
		$magic_new_64 = {64 DA 11 CE}

	condition:
		($magic_old_32 at 0 ) or ( $magic_old_64 at 0 ) or ( $magic_new_32 at 0 ) or ( $magic_new_64 at 0 )
}

rule ESET_Apt_Windows_Invisimole : FILE
{
	meta:
		description = "InvisiMole magic values, keys and strings"
		author = "ESET Research"
		id = "4d48996b-9792-57ba-a302-349220323712"
		date = "2021-05-17"
		modified = "2021-05-17"
		reference = "https://github.com/eset/malware-ioc/"
		source_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/invisimole/invisimole.yar#L215-L255"
		license_url = "https://github.com/eset/malware-ioc/blob/17baf44964a77368e9149f4f593eb098beddf1c5/LICENSE"
		logic_hash = "7a2cff9febe77d718089ba4e1a33f3487594588892e418cec685bf22b156fa2b"
		score = 75
		quality = 80
		tags = "FILE"
		license = "BSD 2-Clause"
		version = "1"

	strings:
		$s1 = "CryptProtectData"
		$s2 = "CryptUnprotectData"
		$s3 = {9E 01 3A AD}
		$s4 = "GET /getversion2a/%d%.2X%.2X/U%sN HTTP/1.1"
		$s5 = "PULSAR_LOADER.dll"
		$check_magic_old_32 = {3? F9 FF D0 DE}
		$check_magic_old_64 = {3? 64 FF D0 DE}
		$check_magic_new_32 = {81 3? 86 DA 11 CE}
		$check_magic_new_64 = {81 3? 64 DA 11 CE}

	condition:
		(( uint16( 0 ) == 0x5A4D ) or ESET_Invisimole_Blob_PRIVATE ) and ( any of ( $check_magic* ) ) and ( 2 of ( $s* ) )
}